EP0471291A3 - Optical scanner - Google Patents

Optical scanner Download PDF

Info

Publication number
EP0471291A3
EP0471291A3 EP19910113316 EP91113316A EP0471291A3 EP 0471291 A3 EP0471291 A3 EP 0471291A3 EP 19910113316 EP19910113316 EP 19910113316 EP 91113316 A EP91113316 A EP 91113316A EP 0471291 A3 EP0471291 A3 EP 0471291A3
Authority
EP
European Patent Office
Prior art keywords
optical scanner
scanning
vibrating
vibration
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910113316
Other versions
EP0471291A2 (en
EP0471291B1 (en
Inventor
Hiroshi C/O Omron Corporation Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2209804A external-priority patent/JP2570237B2/en
Priority claimed from JP2209803A external-priority patent/JPH0495916A/en
Application filed by Omron Corp filed Critical Omron Corp
Publication of EP0471291A2 publication Critical patent/EP0471291A2/en
Publication of EP0471291A3 publication Critical patent/EP0471291A3/en
Application granted granted Critical
Publication of EP0471291B1 publication Critical patent/EP0471291B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Holo Graphy (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Microscoopes, Condenser (AREA)
  • Laser Beam Printer (AREA)

Abstract

An optical scanner and beam printer using the optical scanner are disclosed in which the optical scanner includes a scanning element supporting a mirror surface, a support element for freely supporting at one end the scanning element and at another end a vibrating element, and a drive source for inducing vibrations in the vibrating element. The support element may be a shaft having two modes of elastic deformation upon vibration or a torsional spring which undergoes deformation upon vibration. Vibrations received by the vibrating element are applied to the scanning element by the support element to cause optical scanning movement by the scanning element. <IMAGE> <IMAGE>
EP91113316A 1990-08-07 1991-08-07 Optical scanner Expired - Lifetime EP0471291B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2209804A JP2570237B2 (en) 1990-08-07 1990-08-07 Optical scanner, vibrating device, optical device, and optical beam printer
JP209804/90 1990-08-07
JP2209803A JPH0495916A (en) 1990-08-07 1990-08-07 Optical scanner
JP209803/90 1990-08-07

Publications (3)

Publication Number Publication Date
EP0471291A2 EP0471291A2 (en) 1992-02-19
EP0471291A3 true EP0471291A3 (en) 1992-04-22
EP0471291B1 EP0471291B1 (en) 1997-04-16

Family

ID=26517668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113316A Expired - Lifetime EP0471291B1 (en) 1990-08-07 1991-08-07 Optical scanner

Country Status (4)

Country Link
US (2) US5245463A (en)
EP (1) EP0471291B1 (en)
AT (1) ATE151891T1 (en)
DE (1) DE69125666T2 (en)

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US5410140A (en) * 1988-05-11 1995-04-25 Symbol Technologies, Inc. Mirrorless ring mounted miniature optical scanner
US5552592A (en) * 1989-10-30 1996-09-03 Symbol Technologies, Inc. Slim scan module with dual detectors
US5206492A (en) * 1989-10-30 1993-04-27 Symbol Technologies, Inc. Bar code symbol scanner with reduced power usage to effect reading
US5583331A (en) * 1989-10-30 1996-12-10 Symbol Technologies, Inc. Arrangement for compensating for scan line curvature
US5373148A (en) * 1989-10-30 1994-12-13 Symbol Technologies, Inc. Optical scanners with scan motion damping and orientation of astigmantic laser generator to optimize reading of two-dimensionally coded indicia
US5280165A (en) * 1989-10-30 1994-01-18 Symbol Technolgoies, Inc. Scan pattern generators for bar code symbol readers
US5367151A (en) * 1989-10-30 1994-11-22 Symbol Technologies, Inc. Slim scan module with interchangeable scan element
US5262627A (en) * 1989-10-30 1993-11-16 Symbol Technologies, Inc. Scanning arrangement and method
US5621371A (en) * 1989-10-30 1997-04-15 Symbol Technologies, Inc. Arrangement for two-dimensional optical scanning with springs of different moduli of elasticity
US5479000A (en) * 1989-10-30 1995-12-26 Symbol Technologies, Inc. Compact scanning module for reading bar codes
US5543610A (en) * 1989-10-30 1996-08-06 Symbol Technologies, Inc. Compact bar code scanning arrangement
US5412198A (en) * 1989-10-30 1995-05-02 Symbol Technologies, Inc. High-speed scanning arrangement with high-frequency, low-stress scan element
US5477043A (en) * 1989-10-30 1995-12-19 Symbol Technologies, Inc. Scanning arrangement for the implementation of scanning patterns over indicia by driving the scanning elements in different component directions
US5828051A (en) * 1991-02-12 1998-10-27 Omron Corporation Optical scanner and bar code reader employing same
US5610387A (en) * 1992-05-15 1997-03-11 Symbol Technologies, Inc. Portable optical scanning system worn by a user for reading indicia of differing light reflectivity
US5708262A (en) * 1992-05-15 1998-01-13 Symbol Technologies, Inc. Miniature high speed scan element mounted on a personal computer interface card
US6036098A (en) * 1992-05-15 2000-03-14 Symbol Technologies, Inc. Miniature scan element operably connected to a personal computer interface card
JP3003429B2 (en) * 1992-10-08 2000-01-31 富士電機株式会社 Torsional vibrator and optical deflector
EP0606887B1 (en) * 1993-01-12 1997-12-29 Canon Kabushiki Kaisha Deflection scanning apparatus
US5903300A (en) * 1993-01-12 1999-05-11 Canon Kabushiki Kaisha Deflection scanning apparatus having balance control
US6853293B2 (en) 1993-05-28 2005-02-08 Symbol Technologies, Inc. Wearable communication system
JP3210982B2 (en) * 1993-05-28 2001-09-25 オムロン株式会社 Optical scanning device, optical sensor device, code information reading device, and POS system using the optical scanning device
US6811088B2 (en) 1993-05-28 2004-11-02 Symbol Technologies, Inc. Portable data collection system
JP3636742B2 (en) * 1993-12-22 2005-04-06 オムロン株式会社 Optical scanner, optical scanning device, code information reading device using the optical scanning device, and POS system
US6158662A (en) * 1995-03-20 2000-12-12 Symbol Technologies, Inc. Triggered optical reader
CA2179837C (en) * 1995-06-28 2000-01-11 Masaharu Yoshida Light scanner
US5929892A (en) * 1996-08-26 1999-07-27 Hewlett-Packard Company Beam deflecting for enhanced laser printer scanning
US5915063A (en) * 1997-01-15 1999-06-22 Colbourne; Paul Variable optical attenuator
US6049407A (en) * 1997-05-05 2000-04-11 University Of Washington Piezoelectric scanner
US5982528A (en) * 1998-01-20 1999-11-09 University Of Washington Optical scanner having piezoelectric drive
DE19728598C2 (en) * 1997-07-04 2000-12-14 Bosch Gmbh Robert Micromechanical mirror device
US6583772B1 (en) * 1998-08-05 2003-06-24 Microvision, Inc. Linked scanner imaging system and method
US7098871B1 (en) * 1998-08-05 2006-08-29 Microvision, Inc. Optical scanning system with correction
US6795221B1 (en) 1999-08-05 2004-09-21 Microvision, Inc. Scanned display with switched feeds and distortion correction
US6653621B2 (en) * 2001-03-23 2003-11-25 Microvision, Inc. Frequency tunable resonant scanner and method of making
US6882462B2 (en) * 2002-11-01 2005-04-19 Microvision, Inc. Resonant scanner with asymmetric mass distribution
US6362912B1 (en) 1999-08-05 2002-03-26 Microvision, Inc. Scanned imaging apparatus with switched feeds
US6433907B1 (en) 1999-08-05 2002-08-13 Microvision, Inc. Scanned display with plurality of scanning assemblies
US6256131B1 (en) 1999-08-05 2001-07-03 Microvision Inc. Active tuning of a torsional resonant structure
US6384406B1 (en) 1999-08-05 2002-05-07 Microvision, Inc. Active tuning of a torsional resonant structure
US6245590B1 (en) 1999-08-05 2001-06-12 Microvision Inc. Frequency tunable resonant scanner and method of making
US6654158B2 (en) 2001-04-20 2003-11-25 Microvision, Inc. Frequency tunable resonant scanner with auxiliary arms
US6924476B2 (en) * 2002-11-25 2005-08-02 Microvision, Inc. Resonant beam scanner with raster pinch compensation
US6285489B1 (en) 1999-08-05 2001-09-04 Microvision Inc. Frequency tunable resonant scanner with auxiliary arms
US7262765B2 (en) * 1999-08-05 2007-08-28 Microvision, Inc. Apparatuses and methods for utilizing non-ideal light sources
US6445362B1 (en) 1999-08-05 2002-09-03 Microvision, Inc. Scanned display with variation compensation
US6515781B2 (en) * 1999-08-05 2003-02-04 Microvision, Inc. Scanned imaging apparatus with switched feeds
US6661393B2 (en) 1999-08-05 2003-12-09 Microvision, Inc. Scanned display with variation compensation
EP1081529A3 (en) * 1999-08-30 2002-05-29 PSC Scanning, Inc. Reflective dither spring
US6637657B2 (en) 2001-04-06 2003-10-28 Symbol Technologies, Inc. Compact scan module with magnetically centered scan mirror
US7023402B2 (en) * 2001-09-21 2006-04-04 Microvision, Inc. Scanned display with pinch, timing, and distortion correction
GB2389457B (en) * 2002-06-07 2006-07-26 Microsaic Systems Ltd Microengineered optical scanner
US20040004775A1 (en) * 2002-07-08 2004-01-08 Turner Arthur Monroe Resonant scanning mirror with inertially coupled activation
US7477425B2 (en) * 2002-07-19 2009-01-13 Hewlett-Packard Development Company, L.P. Biasable drive for an image scanner carriage
US7982765B2 (en) * 2003-06-20 2011-07-19 Microvision, Inc. Apparatus, system, and method for capturing an image with a scanned beam of light
WO2008038649A1 (en) 2006-09-27 2008-04-03 National Institute Of Advanced Industrial Science And Technology Optical scanning device
JP5229899B2 (en) * 2006-09-27 2013-07-03 独立行政法人産業技術総合研究所 Optical scanning device
EP1965225A3 (en) * 2007-02-28 2009-07-15 Denso Wave Incorporated Laser radar apparatus for three-dimensional detection of objects
TWI408413B (en) * 2011-02-25 2013-09-11 Ind Tech Res Inst Two dimension scanning and reflecting device
EP3133581B1 (en) 2015-08-18 2019-01-23 Ricoh Company, Ltd. Drive system, video device, image projection device, and drive control method
EP3136153B1 (en) * 2015-08-26 2019-05-15 Ricoh Company, Ltd. Actuator controlling device, drive system, video device, image projection device, and actuator controlling method
CN108803011A (en) * 2018-03-15 2018-11-13 成都理想境界科技有限公司 A kind of image correction method and optical fiber scanning imaging device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666974A (en) * 1970-01-16 1972-05-30 Bulova Watch Co Inc Torsional fork transducers
DE2640282A1 (en) * 1976-09-08 1978-03-09 Leitz Ernst Gmbh Scanning mirror for optical instruments - has one swivel axis in direction of incident beam bundle and other perpendicular to it
US4213146A (en) * 1978-03-24 1980-07-15 Laser Video, Inc. Scanning system for light beam displays
GB2075762A (en) * 1980-04-04 1981-11-18 Yokogawa Electric Works Ltd Mechanical vibrating element
EP0214863A2 (en) * 1985-09-06 1987-03-18 Citizen Watch Co. Ltd. Light beam scanning apparatus

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US3921045A (en) * 1974-07-24 1975-11-18 Bulova Watch Co Inc Damped torsional rod oscillator
US3998092A (en) * 1974-12-23 1976-12-21 Bruce Sargent Maccabee Simple systems for light beam modulation by acoustic surface waves
US4732440A (en) * 1985-10-22 1988-03-22 Gadhok Jagmohan S Self resonant scanning device
US4878721A (en) * 1987-02-17 1989-11-07 General Scanning, Inc. Resonant mechanical system
US4902083A (en) * 1988-05-31 1990-02-20 Reflection Technology, Inc. Low vibration resonant scanning unit for miniature optical display apparatus
US4919500A (en) * 1988-09-09 1990-04-24 General Scanning, Inc. Torsion bar scanner with damping
US5079641A (en) * 1990-09-17 1992-01-07 Eastman Kodak Company Assembly for static control and dynamic damping of an optical element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666974A (en) * 1970-01-16 1972-05-30 Bulova Watch Co Inc Torsional fork transducers
DE2640282A1 (en) * 1976-09-08 1978-03-09 Leitz Ernst Gmbh Scanning mirror for optical instruments - has one swivel axis in direction of incident beam bundle and other perpendicular to it
US4213146A (en) * 1978-03-24 1980-07-15 Laser Video, Inc. Scanning system for light beam displays
GB2075762A (en) * 1980-04-04 1981-11-18 Yokogawa Electric Works Ltd Mechanical vibrating element
EP0214863A2 (en) * 1985-09-06 1987-03-18 Citizen Watch Co. Ltd. Light beam scanning apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
G. F. MARSHALL 'Laser Beam Scanning' 1985 , MARCEL DEKKER INC. , NEW YORK *
IBM TECHNICAL DISCLOSURE BULLETIN vol. 22, no. 11, 11 April 1980, pages 5076 - 5077; K. E. PETERSEN: 'Micromechanical Transmission Light Modulator Array' *

Also Published As

Publication number Publication date
DE69125666T2 (en) 1997-11-27
US5245463A (en) 1993-09-14
ATE151891T1 (en) 1997-05-15
DE69125666D1 (en) 1997-05-22
EP0471291A2 (en) 1992-02-19
EP0471291B1 (en) 1997-04-16
US5444565A (en) 1995-08-22

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